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GB/T 4698.28-2017: Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 28: Determination of ruthenium content -- Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 28: Determination of ruthenium content -- Inductively coupled plasma atomic emission spectrometry
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GB/T 4698.28-2017
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Basic data | Standard ID | GB/T 4698.28-2017 (GB/T4698.28-2017) | | Description (Translated English) | Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 28: Determination of ruthenium content -- Inductively coupled plasma atomic emission spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.50 | | Word Count Estimation | 6,662 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-07-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 4698.28-2017: Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Part 28: Determination of ruthenium content -- Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 28. Determination of ruthenium content - Inductively coupled plasma atomic emission spectrometry
ICS 77.120.50
H14
National Standards of People's Republic of China
Sponge titanium, titanium and titanium alloys - Methods for chemical analysis
Part 28. Determination of ruthenium content
Inductively coupled plasma atomic emission spectrometry
Methodsforchemicalanalysisoftitaniumsponge, titaniumand
titaniumaloys-Part 28.Determinationofrutheniumcontent-
2017-09-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 4698 "titanium sponge, titanium and titanium alloy chemical analysis method" is divided into 28 parts.
--- Part 1. Determination of copper content by flame atomic absorption spectrometry;
--- Part 2. Determination of iron content 1,10-phenanthroline spectrophotometry, flame atomic absorption spectrometry and inductively coupled plasma
Atomic emission spectrometry;
--- Part 3. Determination of silicon content molybdenum blue spectrophotometry;
--- Part 4. Determination of manganese content Periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 5. Determination of molybdenum content thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 6. Determination of boron content Curcumin spectrophotometry and inductively coupled plasma mass spectrometry;
--- Part 7. Determination of oxygen content, nitrogen content Inert gas melting - infrared absorption/thermal conductivity method and distillation separation - Naisler reagent spectrophotometry
Degree method
--- Part 8. Determination of aluminum content Alkaline separation - EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry;
--- Part 9. Determination of tin content potassium iodate titration and inductively coupled plasma atomic emission spectrometry;
--- Part 10. Determination of chromium content ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry;
--- Part 12. Determination of vanadium content ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry;
--- Part 13. Determination of zirconium content EDTA titration and inductively coupled plasma atomic emission spectrometry;
--- Part 14. Determination of carbon content High-frequency combustion - infrared absorption method;
--- Part 15. Determination of hydrogen content inert gas melting infrared absorption method/thermal conductivity method;
--- Part 17. Determination of magnesium content by flame atomic absorption spectrometry;
--- Part 18. Determination of tin content by flame atomic absorption spectrometry;
--- Part 19. Determination of molybdenum content; Thiocyanate differential spectrophotometry;
--- Part 21. Determination of multi-element impurity content of atomic emission spectrometry;
--- Part 22. Determination of niobium content 5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 23. Determination of palladium content Stannous chloride - potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 24. Determination of nickel content dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry;
--- Part 25. Determination of chlorine content of silver chloride spectrophotometry;
--- Part 26. Determination of tungsten and tantalum content by inductively coupled plasma atomic emission spectrometry;
--- Part 27. Determination of neodymium content by inductively coupled plasma atomic emission spectrometry;
--- Part 28. Determination of ruthenium content Inductively coupled plasma atomic emission spectrometry.
This section GB/T 4698 Part 28.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Nonferrous Metal Industry Association.
This part of the National Non-ferrous Metal Standardization Technical Committee (SAC/TC243) centralized.
This part of the drafting unit. Northwest Nonferrous Metal Research Institute, Western Metal Materials Co., Ltd., Beijing Nonferrous Metal Research Institute, Guangzhou
Nonferrous Metal Research Institute, Chaoyang Jinda Titanium Industry Co., Ltd., Bao Titanium Group Co., Ltd., Zunyi Titanium Industry Co., Ltd.
The main drafters of this section. Zhou Kai, Sun Baolian, Li Bo, Dong Qi, Li Xun, Yang Junhong, Tong Ling, Wang Li, Wang Jin, Wang Caihua, Li Hongzhao,
Liu Wei, Bai Huanhuan, Luo Ce, Yang Zaijiang, Luo Lin.
Sponge titanium, titanium and titanium alloys - Methods for chemical analysis
Part 28. Determination of ruthenium content
Inductively coupled plasma atomic emission spectrometry
1 Scope
This section GB/T 4698 specifies the determination of the amount of ruthenium in titanium sponge, titanium and titanium alloys.
This section applies to the determination of the amount of ruthenium sponge titanium, titanium and titanium alloys, the determination of the range of 0.05% to 0.50%.
2 method summary
Hydrochloric acid, hydrofluoric acid, nitric acid mixed acid, high-pressure digestion tank at 150 ℃ insulation 2h dissolution of the sample. Use inductively coupled plasma
Atomic emission spectrometer, the emission intensity of ruthenium in the test solution is measured at the recommended analytical line wavelength, and the concentration of ruthenium is obtained from the working curve.
3 reagent
Unless otherwise specified, only reagents that are identified as analytically pure and laboratory-grade water are used in the analysis.
3.1 Hydrochloric acid (p = 1.19 g/mL).
3.2 Nitric acid (p = 1.42 g/mL).
Hydrofluoric acid (ρ = 1.13 g/mL).
3.4 Hydrochloric acid (1 1).
3.5 Nitric acid (1 1).
3.6 Hydrofluoric acid (1 1).
3.7 Hydrogen peroxide .30% solution.
3.8 Titanium (wTi ≧ 99.9%, wRu < 0.001%).
3.9 ruthenium standard stock solution Weigh 0.1000g metal ruthenium powder (wRu ≥ 99.99%) placed in glass sealed tube, add 8mL hydrochloric acid
(3.1), 1mL of hydrogen peroxide (3.7), sealed tube placed in a special steel bomb dissolved at 250 ℃ 24h, cooled open tube and transferred to 100mL
Volumetric flask, add 10mL hydrochloric acid (3.1), diluted with water to the mark, mix well. This solution 1 mL contains 1.0 mg of ruthenium.
3.10 ruthenium standard solution Pipette 10.00mL ruthenium standard stock solution (3.9) in 100mL volumetric flask, add 10mL hydrochloric acid (3.1),
Dilute to the mark with water and mix well. 1 mL of this solution contains 100 μg of ruthenium.
3.11 Argon, volume fraction ≥99.99%.
4 instruments
4.1 Inductively Coupled Plasma Atomic Emission Spectrometer. Equipped with hydrofluoric acid injection system, the resolution is less than 0.006nm (200nm).
4.2 Element Recommended Analysis Wavelength 240.272nm.
5 sample
Sponge titanium, titanium and titanium alloy sampling should follow the appropriate standard method has been promulgated.
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